A Key Assumption of the Kaplan-Meier Method for Calculating Survival

question 8

Multiple Choice

A key assumption of the Kaplan-Meier method for calculating survival curves is which of the following?

• A) All individuals eventually experience the event of interest.
• B) All subjects, including censored ones, have the same probabilities of experiencing events in each time period.
• C) Fewer than 5% of individuals are censored.
• D) Probabilities of experiencing events are constant across all time periods.

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Definitions:

Test-tube Method

A technique often associated with laboratory experiments or procedures conducted in vitro, such as the cultivation of microorganisms or cells in a test-tube.

Reproduction

The biological process by which new individual organisms are produced from their parents.

Age Grades

Social categorization based on age, often used in traditional societies to organize individuals into groups with similar responsibilities and rites of passage.

Age Classes

Categories or divisions in a society based on age, used to organize individuals into roles, responsibilities, and social expectations appropriate to their stages in life.